Biochar obtained from cinnamon and cannabis as effective adsorbents for removal of lead ions from water

被引：40

作者：

Omidi, Amir Hossein ^{[1
]}

Cheraghi, Mehrdad ^{[1
]}

Lorestani, Bahareh ^{[1
]}

Sobhanardakani, Soheil ^{[1
]}

Jafari, Azadeh ^{[2
]}

机构：

[1] Islamic Azad Univ, Dept Environm, Coll Basic Sci, Hamedan Branch, Hamadan, Iran

[2] Islamic Azad Univ, Dept Phys, Coll Basic Sci, Hamedan Branch, Hamadan, Iran

来源：

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2019年 / 26卷 / 27期

关键词：

Adsorption; Biochar; Cannabism; Cinnamon; Lead; MAGNETIC NANOPARTICLE; ADSORPTION; PB(II); MECHANISMS; CLAY; TETRACYCLINE; CADMIUM; HG(II); CAVIAR;

D O I：

10.1007/s11356-019-05997-z

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The feedstock from cinnamon (CI) and cannabis (CA) were used for providing biochar at different temperatures using the pyrolysis method (300, 400, and 600 degrees C) as appropriate adsorbents for removing Pb(II) ions. The properties of materials were examined with varied techniques. The BET surface area of CI600 and CA600 was higher compared with others. The adsorption efficiency of Pb(II) ions relies on initial Pb(II) concentration, pH, adsorbent dose, equilibrium time, and temperature. The adsorption isotherms of Pb(II) ions were assessed via Langmuir adsorption isotherm and the pseudo-second-order model and electrostatic interaction became visible to play the main role in the adsorption process.

引用

页码：27905 / 27914

页数：10

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